He picked up a strip of addressable RGB LEDs from Adafruit ... and wrote a small Arduino library that allows for easy control of the grid. We’re not sure if he plans on scaling these arrays ...

Individually addressable RGB LEDs like Neopixels, WS2812s, and WS2811s are the defacto standard for making blinkey glowey projects. To build a very bright display, you need a lot of them ...

Würth Elektronik's range of RGB LEDs with integrated controllers now includes dual-wire ICLEDs.